From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dario Faggioli Subject: Re: [PATCH] perfc: count number of explicit vcpu yields Date: Mon, 9 Nov 2015 16:14:12 +0100 Message-ID: <1447082052.2722.11.camel@citrix.com> References: <1447077658-6997-1-git-send-email-ian.campbell@citrix.com> <1447080838.2722.8.camel@citrix.com> <5640B595.6050803@oracle.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============2869870470237157523==" Return-path: In-Reply-To: <5640B595.6050803@oracle.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Boris Ostrovsky , Ian Campbell , xen-devel@lists.xen.org Cc: george.dunlap@citrix.com, jbeulich@suse.com List-Id: xen-devel@lists.xenproject.org --===============2869870470237157523== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-lyDrLkF7vP66/RRsy2yh" --=-lyDrLkF7vP66/RRsy2yh Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2015-11-09 at 10:02 -0500, Boris Ostrovsky wrote: > On 11/09/2015 09:53 AM, Dario Faggioli wrote: > > On Mon, 2015-11-09 at 14:00 +0000, Ian Campbell wrote: > > > Signed-off-by: Ian Campbell > > >=20 > > Reviewed-by: Dario Faggioli > >=20 > > And, while we're here, I've been thinking since a while to try > > implementing an xl interface for these counters... How bad of an > > idea > > is that? > >=20 > > Is something like that possible already via Boris' PMU work? >=20 > VPMU only covers CPU's hardware counters and this patch deals with=20 > software events in the hypervisor. >=20 Right, I just wanted to be sure (I've planned to familiarize with that work, but haven't got to doing it yet). > As far as xl accessibility --- doesn't xenperf already read them out? >=20 Mmm... ISTR having tried without much luck, and having heard that it wasn't functional any longer, but maybe I'm confusing it with something else. I'll try again. Thanks and Regards, Dario --=20 <> (Raistlin Majere) ----------------------------------------------------------------- Dario Faggioli, Ph.D, http://about.me/dario.faggioli Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK) --=-lyDrLkF7vP66/RRsy2yh Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEABECAAYFAlZAuEQACgkQk4XaBE3IOsTGFwCeL6Q1/WStxMZBytpT/Ejvt4JO wc4AniU9AUYLxEN65Ou0SVGAGAlsKAIq =NPDV -----END PGP SIGNATURE----- --=-lyDrLkF7vP66/RRsy2yh-- --===============2869870470237157523== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel --===============2869870470237157523==--